together with refractory metals, iron group metals, platinum group metals, manganese, technetium, rhenium, or compounds thereof

62

Refractory metals or compounds thereof

69

Chromium, molybdenum, tungsten or compounds thereof

B

PERFORMING OPERATIONS; TRANSPORTING

60

VEHICLES IN GENERAL

K

ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES

15

Arrangement in connection with fuel supply of combustion engines; Mounting or construction of fuel tanks